Invidious

Invidious is an alternative frontend for
YouTube.
It includes locally stored subscription management.

Server

A server can be setup via docker with the linuxserver image.

Automatic redirect from YouTube

There are various addons to redirect from YouTube links to your (or a public)
invidious instance.
For Firefox for example there is
invidious redirect
or privacy redirect.
For Android there is
the UntrackMe app (available at f-droid).